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1. Fill cleaning reagent into the canister about 200 c.c. and lock the cap.
2. Use the safety machine elevates the vehicle and pick up the tools at appropriate position to near the O2 sensor.
3. Disassemble the O2 sensor nut and lock the adapter onto the O2 sensor female nut.
4. Put the clean pipe through the adapter inside diameter into catalytic converter, Connect air power.
5. Push the trigger. Then cleaning reagent will to become bubble filled into the catalytic converter.
6. When the cleaning liquid spraying completes, Remove the lead hose and take out the adapter.
7. Pick up the tools and lock the O2 sensor nut.
8. Wait about 5 minutes after starting the engine. Then catalytic converter carbon liquid will outlet follow the exhaust pipe.The cleaning work will be finished.